.custom-cell {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 40px;
  width: 40px;
  border-radius: 50%;
  cursor: pointer;
}

.custom-cell-selected {
  background-color: #90ee90; /* 签到的日期背景色 */
  color: white;
}